//This file contains funtions for halting the system
#include <stdint.h>
TD U C u8;
TD U S u16;
TD U INT u32;
extern VD print(CC *s);
extern VD sleep(U INT ms);
extern U INT cy;
extern U INT cx;
extern u8 color;
extern VD outw(u16 port, u16 val);
extern VD poutw(u16 port, u16 val);
extern VD poutb(u16 port, u16 val);
extern VD poutwfail(u16 port, u16 val);
extern VD poutbfail(u16 port, u8 val);
//values
#define VAL1 0x2000
#define VAL2 0x3400
//VM IO ports
#define IOP1 0x604
#define IOP2 0xB004
#define IOP3 0x4004

VD vmoff(VD)
{//turn the VM off, only works on virtual machines,
//otherwise will crash your machine
	color = 0x0F;
	U INT oldcy = cy;
	U INT oldcx = cx;
	cy = 0;
	poutw(IOP1, VAL1);
	poutw(IOP2, VAL1);
	poutw(IOP3, VAL2);
	poutwfail(IOP1, VAL1);
	poutwfail(IOP2, VAL1);
        poutwfail(IOP3, VAL2);
	cy = oldcy;
	cx = oldcx;
	for(;;)
		asm volatile("hlt");
}

VD halt(VD)
{//purposfuly halt your system
	color = 0x0F;
	cy = 0;
	print("Halted...");
	sleep(1000);
	for (;;)
		asm volatile("hlt");
}

VD reset(VD)
{
        color = 0x0F;
        U INT oldcy = cy;
        U INT oldcx = cx;
        cy = 0;
	cx = 0;
	print("Resetting the system...\n");
	sleep(1000);
        poutb(0xCF9, 0x06);
        poutbfail(0xCF9, 0x06);
}